SN 2004er:<br>
<br>
P200/DBSP, Oct 11, Mahabal<br>
(SSO2.3/DBS), October 22, Salvo<br>
P200/DBSP, Nov 18, Moon and Cenko<br>
Keck/LRIS, Dec 14, Ellis and Sullivan<br>
P200/DBSP, Jan 14, Gal-Yam<br>